TM-9-1240-401-34-P

TELESCOPE MOUNT M146: M118A2 AND M118A3; TELESCOPE MOUNT M145: M145A1; PANORAMIC TELESCOPE: M117 AND M117A2; FIRE CONTROL QUADRANT: M15; PERISCOPE: M42

TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL

JULY 1993

TM-9-1240-401-34-P - Page 149 of 590

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Install bearing (15), sleeve spacer (14), bearing

(13), and new self-locking nut (12) on shouldered

shaft (4).

Install shouldered shaft (4) with related parts in the

telescope mount bracket and secure with threaded

ring (11 ). Tighten threaded ring (11) to allow shoul-

dered shaft (4) to rotate without binding. Stake

threaded ring (11).

Install bevel gear (10) on shouldered shaft (4) and

secure with tapered pin (9).

Apply oil to flat washer (3) and install in pitch knob

(2).

Install pitch knob (2) on shouldered shaft (4) and

secure with tapered pin (1).

Install cover (8) and secure with six flat washers

(7), six new lockwashers (6), and six machine

screws (5).

If removed, install plug (36).

Install two stops (35).

Install two channels (32) using two new lock-

washers (34) and two machine screws (33) for

each channel.

Install bevel gear (30) onto shaft of housing (31)

and secure with tapered pin (29).

TM 9-1240-401-34&P

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c. Assembly - continued

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